020 - 199 Apparatus, Tools, Gauges, Test Eq, Power - TCI Library  ]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power?format=html Tue, 11 Mar 2025 14:44:04 -0700 en-GB hourly 1 028-360-501 i7 Nov60 - 52-type Head Tel Sets - Inspection, Tests https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/028-division-bells-dials-headsets-sounders/14816-028-360-501-i7-nov60-52-type-head-tel-sets-inspection-tests?format=html 028-360-501 i7 Nov60 - 52-type Head Tel Sets - Inspection, Tests Head telephone sets, headsets. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/028-division-bells-dials-headsets-sounders/14816-028-360-501-i7-nov60-52-type-head-tel-sets-inspection-tests?format=html Head telephone sets, headsets. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 028 Division - Bells, Dials, Headsets, Sounders Tue, 11 Mar 2025 14:44:04 -0700 030-110-701_i2D_Jul-1938_Electric_Clock_KS-8155b.pdf https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/030-division-call-timing-registers/14719-030-110-701-i2d-jul-1938-electric-clock-ks-8155b-pdf?format=html 030-110-701_i2D_Jul-1938_Electric_Clock_KS-8155b.pdf ELECTRIC CLOCK KS-8155 REQUIREMENTS AND ADJUSTING PROCEDURES

Scanned by Remco Enthoven - From the collection of Alan David

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/030-division-call-timing-registers/14719-030-110-701-i2d-jul-1938-electric-clock-ks-8155b-pdf?format=html ELECTRIC CLOCK KS-8155 REQUIREMENTS AND ADJUSTING PROCEDURES

Scanned by Remco Enthoven - From the collection of Alan David

]]> r.h.enthoven@infc.info (Remco E) 030 Division - Call Timing & Registers Wed, 25 Oct 2023 15:58:23 -0700 032-300-101_i1_Apr-1959_Noncoded_Connectors_Jacks_Plugs_and_Socket_Description.pdf https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/032-division-capacitors-cords-plugs/14718-032-300-101-i1-apr-1959-noncoded-connectors-jacks-plugs-and-socket-description-pdf?format=html 032-300-101_i1_Apr-1959_Noncoded_Connectors_Jacks_Plugs_and_Socket_Description.pdf NONCODED CONNECTORS, JACKS (FEMALE CONNECTORS), PLUGS, AND SOCKETS DESCRIPTION

Scanned by Remco Enthoven - From the collection of Alan David

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/032-division-capacitors-cords-plugs/14718-032-300-101-i1-apr-1959-noncoded-connectors-jacks-plugs-and-socket-description-pdf?format=html NONCODED CONNECTORS, JACKS (FEMALE CONNECTORS), PLUGS, AND SOCKETS DESCRIPTION

Scanned by Remco Enthoven - From the collection of Alan David

]]> r.h.enthoven@infc.info (Remco E) 032 Division - Capacitors, Cords, Plugs, ... Wed, 25 Oct 2023 15:58:20 -0700 Western Electric 70 C Touch-Tone dial. For use in WE 1C,1D,10a and 20A payphones. https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/028-division-bells-dials-headsets-sounders/13959-western-electric-70-c-touch-tone-dial-for-use-in-we-1c-1d-10a-and-20a-payphones?format=html Western Electric 70 C Touch-Tone dial. For use in WE 1C,1D,10a and 20A payphones. Contributed by Phil McCarter

Instructions to Field Convert- from the 70A or 70B Dial
to the 70C D1al in the C2 and D2 type Coin Telephone Sets

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/028-division-bells-dials-headsets-sounders/13959-western-electric-70-c-touch-tone-dial-for-use-in-we-1c-1d-10a-and-20a-payphones?format=html Contributed by Phil McCarter

Instructions to Field Convert- from the 70A or 70B Dial
to the 70C D1al in the C2 and D2 type Coin Telephone Sets

]]> r.h.enthoven@infc.info (Remco E) 028 Division - Bells, Dials, Headsets, Sounders Tue, 26 Jan 2021 14:51:01 -0800 103-408-100 i2 Oct60 - J64030A (30A) Transmission Measuring Set https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13789-103-408-100-i2-oct60-j64030a-30a-transmission-measuring-set?format=html 103-408-100 i2 Oct60 - J64030A (30A) Transmission Measuring Set Contributed by Steve Cichorsky.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13789-103-408-100-i2-oct60-j64030a-30a-transmission-measuring-set?format=html Contributed by Steve Cichorsky.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Fri, 16 Oct 2020 14:17:53 -0700 179-399-901PT iA Jun71 - Wescom 457-FSA - FX Inband Signaling System - Circuit Desc Op Maint https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/179-division-signaling-ringing-circuits/13696-179-399-901pt-ia-jun71-wescom-457-fsa-fx-inband-signaling-system-circuit-desc-op-maint?format=html 179-399-901PT iA Jun71 - Wescom 457-FSA - FX Inband Signaling System - Circuit Desc Op Maint Used in the WESCOM 45-type Station Terminating Assemblies. Contributed to the TCI Library by Steve Cichorsky. OCR by Jeff Lamb. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/179-division-signaling-ringing-circuits/13696-179-399-901pt-ia-jun71-wescom-457-fsa-fx-inband-signaling-system-circuit-desc-op-maint?format=html Used in the WESCOM 45-type Station Terminating Assemblies. Contributed to the TCI Library by Steve Cichorsky. OCR by Jeff Lamb. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 179 Division - Signaling & Ringing Circuits Sun, 15 Mar 2020 10:50:31 -0700 103-476-100 i2 Jul63 - J94002P Tube Test Set Desc https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13626-103-476-100-i2-jul63-j94002p-tube-test-set-desc?format=html 103-476-100 i2 Jul63 - J94002P Tube Test Set Desc Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13626-103-476-100-i2-jul63-j94002p-tube-test-set-desc?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Mon, 02 Dec 2019 16:01:35 -0800 103-231-510 i3 Jan76 - Transmission and Noise Measuring Systems https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13625-103-231-510-i3-jan76-transmission-and-noise-measuring-systems?format=html 103-231-510 i3 Jan76 - Transmission and Noise Measuring Systems Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13625-103-231-510-i3-jan76-transmission-and-noise-measuring-systems?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Mon, 02 Dec 2019 16:01:32 -0800 103-231-103 i1 Dec66 - Transmission and Noise Meas Projection Meter Screen https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13624-103-231-103-i1-dec66-transmission-and-noise-meas-projection-meter-screen?format=html 103-231-103 i1 Dec66 - Transmission and Noise Meas Projection Meter Screen Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13624-103-231-103-i1-dec66-transmission-and-noise-meas-projection-meter-screen?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Mon, 02 Dec 2019 16:01:28 -0800 103-231-102 i2 Aug71 - Transmission and Noise Meas System 1W Amplifier Rectifier C Message wt https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13623-103-231-102-i2-aug71-transmission-and-noise-meas-system-1w-amplifier-rectifier-c-message-wt?format=html 103-231-102 i2 Aug71 - Transmission and Noise Meas System 1W Amplifier Rectifier C Message wt Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13623-103-231-102-i2-aug71-transmission-and-noise-meas-system-1w-amplifier-rectifier-c-message-wt?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Mon, 02 Dec 2019 16:01:24 -0800 103-231-101 i2 Sep71 - Transmission and Noise Meas 1U Amplifier Rectifier https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13622-103-231-101-i2-sep71-transmission-and-noise-meas-1u-amplifier-rectifier?format=html 103-231-101 i2 Sep71 - Transmission and Noise Meas 1U Amplifier Rectifier Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13622-103-231-101-i2-sep71-transmission-and-noise-meas-1u-amplifier-rectifier?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Mon, 02 Dec 2019 16:01:22 -0800 103-231-100 i2 Sep71 - Transmission and Noise Meas System J94005 SD-95800-01 https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13621-103-231-100-i2-sep71-transmission-and-noise-meas-system-j94005-sd-95800-01?format=html 103-231-100 i2 Sep71 - Transmission and Noise Meas System J94005 SD-95800-01 Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/103-division-transmission-test-equipment/13621-103-231-100-i2-sep71-transmission-and-noise-meas-system-j94005-sd-95800-01?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 103 Division - Transmission Test Equipment Mon, 02 Dec 2019 16:01:17 -0800 100-636-502 i3 Mar75 - KS-15750 L1 Tube Tester Non-WECo Tube Data https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13620-100-636-502-i3-mar75-ks-15750-l1-tube-tester-non-weco-tube-data?format=html 100-636-502 i3 Mar75 - KS-15750 L1 Tube Tester Non-WECo Tube Data Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13620-100-636-502-i3-mar75-ks-15750-l1-tube-tester-non-weco-tube-data?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Mon, 02 Dec 2019 15:57:11 -0800 100-636-501 i3 Apr58 - KS-15750 L1 Tube Tester WECo Tube Data https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13619-100-636-501-i3-apr58-ks-15750-l1-tube-tester-weco-tube-data?format=html 100-636-501 i3 Apr58 - KS-15750 L1 Tube Tester WECo Tube Data Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13619-100-636-501-i3-apr58-ks-15750-l1-tube-tester-weco-tube-data?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Mon, 02 Dec 2019 15:57:09 -0800 100-636-101 i3 Jan62 - KS-15750 L1 Tube Tester Desc Opr https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13618-100-636-101-i3-jan62-ks-15750-l1-tube-tester-desc-opr?format=html 100-636-101 i3 Jan62 - KS-15750 L1 Tube Tester Desc Opr Contributed by Paul Wills. Processed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13618-100-636-101-i3-jan62-ks-15750-l1-tube-tester-desc-opr?format=html Contributed by Paul Wills. Processed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Mon, 02 Dec 2019 15:57:04 -0800 100-105-101 i1 Aug44 - No 73A Test Set Description https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13466-100-105-101-i1-aug44-no-73a-test-set-description?format=html 100-105-101 i1 Aug44 - No 73A Test Set Description Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13466-100-105-101-i1-aug44-no-73a-test-set-description?format=html Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Mon, 11 Nov 2019 02:44:35 -0800 100-513-101 i1 Apr46 - M9B Meter Portable Volt Ohm Milliammeter - Description & Application https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13487-100-513-101-i1-apr46-m9b-meter-portable-volt-ohm-milliammeter-description-application?format=html 100-513-101 i1 Apr46 - M9B Meter Portable Volt Ohm Milliammeter - Description & Application Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13487-100-513-101-i1-apr46-m9b-meter-portable-volt-ohm-milliammeter-description-application?format=html Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Sun, 10 Nov 2019 20:37:50 -0800 100-266-301 i3 Feb76 - J86294A Ringing Demand Meter https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13476-100-266-301-i3-feb76-j86294a-ringing-demand-meter?format=html 100-266-301 i3 Feb76 - J86294A Ringing Demand Meter Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13476-100-266-301-i3-feb76-j86294a-ringing-demand-meter?format=html Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Sun, 10 Nov 2019 18:55:11 -0800 100-198-101 i1 Nov62 - Automatic Call-Thru Test Set ITE 4557-T Description https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13475-100-198-101-i1-nov62-automatic-call-thru-test-set-ite-4557-t-description?format=html 100-198-101 i1 Nov62 - Automatic Call-Thru Test Set ITE 4557-T Description Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13475-100-198-101-i1-nov62-automatic-call-thru-test-set-ite-4557-t-description?format=html Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Sun, 10 Nov 2019 18:52:51 -0800 100-197-101 i2 Jul72 - J34728 Automatic Call-Thru Test Set https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13474-100-197-101-i2-jul72-j34728-automatic-call-thru-test-set?format=html 100-197-101 i2 Jul72 - J34728 Automatic Call-Thru Test Set Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/100-109-divisions-test-equipment/100-division-test-equipment/13474-100-197-101-i2-jul72-j34728-automatic-call-thru-test-set?format=html Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 100 Division - Test Equipment Sun, 10 Nov 2019 18:52:47 -0800